SproutSmart
SproutSmart Intelligent Garden Sowing

Cucumber

Botanical illustration of Cucumber
🌱 50d to harvest Vine

Crisp as cool glass, Cucumber delivers a refreshing snap with a clean, gently sweet flavor that stays bright from garden to jar. …

Planting Schedule

Add Cucumber to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 25th
Transplant / Sow OutdoorsJun 8th
Harvest BeginsJul 28th
Harvest EndsAug 29th

Crop Details

TraitValue
Days to Maturity50
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)10

Frequently Asked Questions


What’s the most common cucumber disease/pest issue, and how can I stop it?
Powdery mildew is very common on Cucumis sativus, showing up as a gray-white powdery coating on leaves. At the first spots, remove heavily infected leaves, improve airflow by spacing plants, and avoid wetting foliage during watering. If it persists, use an approved fungicide labeled for cucumbers and reapply according to the label interval.
How often should I water cucumber plants during peak growth, and what soil moisture level do they need?
During the main growing/fruiting phase, keep the soil consistently moist but not waterlogged—aim for about 1–2 inches (2.5–5 cm) of water per week depending on heat and rainfall. Water deeply 1–2 times per week, then adjust so the top few inches of soil don’t dry out completely. Mulch helps prevent the day-to-day swings that cause bitterness and blossom-end problems.
How do I know when Cucumis sativus is ready to harvest?
Harvest cucumbers when they reach their typical size for your type and feel firm—usually about 50 days from sowing/transplanting, with fruits forming earlier as plants mature. Look for glossy, well-developed skin and cut them off with a knife or pruners, leaving a short stem. Pick every 1–2 days during peak production to keep new cucumbers coming and prevent oversize, seedy fruit.
Botanical illustration of Cucumber

Crisp as cool glass, Cucumber delivers a refreshing snap with a clean, gently sweet flavor that stays bright from garden to jar. Its firm, straight fruits develop a classic pickling-and-slicing character—tender enough for quick pickles, yet sturdy with a satisfying crunch for fresh plates and hearty relishes. Grow it for dependable results in about 50 days, and enjoy the kind of harvest that feels as invigorating as it tastes.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors. Harden off for 10 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

For the best pickling/slicing texture and flavor, keep soil moisture consistent (avoid drought swings) and harvest frequently once fruits start to set.